The Enzyme Database

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EC 2.3.1.106     
Accepted name: tartronate O-hydroxycinnamoyltransferase
Reaction: sinapoyl-CoA + 2-hydroxymalonate = CoA + sinapoyltartronate
For diagram of reaction, click here
Glossary: sinapate = 4-hydroxy-3,5-dimethoxycinnamate
tartronate = 2-hydroxymalonate
Other name(s): tartronate sinapoyltransferase; hydroxycinnamoyl-coenzyme-A:tartronate hydroxycinnamoyltransferase
Systematic name: sinapoyl-CoA:2-hydroxymalonate O-(hydroxycinnamoyl)transferase
Comments: 4-Coumaroyl-CoA (4-hydroxycinnamoyl-CoA), caffeoyl-CoA (3,4-dihydroxycinnamoyl-CoA) and feruloyl-CoA (4-hydroxy-3-methoxycinnamoyl-CoA) can also act as donors for the enzyme from the mung bean (Vigna radiata).
Links to other databases: BRENDA, EXPASY, KEGG, MetaCyc, CAS registry number: 102484-57-1
References:
1.  Strack, D., Ruhoff, R. and Gräwe, W. Hydroxycinnamoyl-Coenzyme-A-tartronate hydroxycinnamoyltransferase in protein preparations from mung bean. Phytochemistry 25 (1986) 833–837.
[EC 2.3.1.106 created 1989, modified 1990, modified 2002]
 
 
EC 2.3.1.153     
Accepted name: anthocyanin 5-(6′′′-hydroxycinnamoyltransferase)
Reaction: 4-hydroxycinnamoyl-CoA + an anthocyanidin 3,5-di-O-β-D-glucoside = CoA + anthocyanidin 3-O-β-D-glucoside 5-O-β-D-(6-O-4-hydroxycinnamoylglucoside)
For diagram of anthocyanidin glucoside biosynthesis, click here
Glossary: 4-hydroxycinnamoyl-CoA = 4-coumaroyl-CoA
Systematic name: 4-hydroxycinnamoyl-CoA:anthocyanidin 3,5-di-O-β-D-glucoside 5-O-glucoside-6′′′-O-4-hydroxycinnamoyltransferase
Comments: Isolated from the plant Gentiana triflora. Transfers the hydroxycinnamoyl group only to the C-5 glucoside of anthocyanin. Caffeoyl-CoA, but not malonyl-CoA, can substitute as an acyl donor.
Links to other databases: BRENDA, EXPASY, KEGG, MetaCyc, CAS registry number: 198841-53-1
References:
1.  Fujiwara, H., Tanaka, Y., Fukui, Y., Nakao, M., Ashikari, T., Kusumi, T. Anthocyanin 5-aromatic acyltransferase from Gentiana triflora. Purification, characterization and its role in anthocyanin biosynthesis. Eur. J. Biochem. 249 (1997) 45–51. [DOI] [PMID: 9363752]
2.  Fujiwara, H., Tanaka, Y., Yonekura-Sakakibara, K., Fukuchi-Mizutani, M., Nakao, M., Fukui, Y., Yamaguchi, M., Ashikari, T. and Kusumi, T. cDNA cloning, gene expression and subcellular localization of anthocyanin 5-aromatic acyltransferase from Gentiana triflora. Plant J. 16 (1998) 421–431. [DOI] [PMID: 9881162]
[EC 2.3.1.153 created 1999, modified 2013]
 
 
EC 2.3.1.215     
Accepted name: anthocyanidin 3-O-glucoside 6′′-O-acyltransferase
Reaction: 4-hydroxycinnamoyl-CoA + an anthocyanidin 3-O-β-D-glucoside = CoA + an anthocyanidin 3-O-[6-O-(4-hydroxycinnamoyl)-β-D-glucoside]
For diagram of anthocyanidin acylglucoside biosynthesis, click here and for diagram of salvianin biosynthesis, click here
Glossary: 4-hydroxycinnamoyl-CoA = 4-coumaroyl-CoA
3,4-dihydroxycinnamoyl-CoA = caffeoyl-CoA
cyanidin = 3,3′,4′,5,7-pentahydroxyflavylium
delphinidin = 3,3′,4′,5,5′,7-hexahydroxyflavylium
Systematic name: 4-hydroxycinnamoyl-CoA:anthocyanin-3-O-glucoside 6′′-O-acyltransferase
Comments: Isolated from the plants Perilla frutescens and Gentiana triflora (clustered gentian). Acts on a range of anthocyanidin 3-O-glucosides, 3,5-di-O-glucosides and cyanidin 3-rutinoside. It did not act on delphinidin 3,3′,7-tri-O-glucoside. Recombinant Perilla frutescens enzyme could utilize caffeoyl-CoA but not malonyl-CoA as alternative acyl donor.
Links to other databases: BRENDA, EXPASY, KEGG, MetaCyc
References:
1.  Fujiwara, H., Tanaka, Y., Fukui, Y., Ashikari, T., Yamaguchi, M. and Kusumi, T. Purification and characterization of anthocyanin 3-aromatic acyltransferase from Perilla frutescens. Plant Sci. 137 (1998) 87–94.
2.  Yonekura-Sakakibara, K., Tanaka, Y., Fukuchi-Mizutani, M., Fujiwara, H., Fukui, Y., Ashikari, T., Murakami, Y., Yamaguchi, M. and Kusumi, T. Molecular and biochemical characterization of a novel hydroxycinnamoyl-CoA: anthocyanin 3-O-glucoside-6"-O-acyltransferase from Perilla frutescens. Plant Cell Physiol. 41 (2000) 495–502. [DOI] [PMID: 10845463]
[EC 2.3.1.215 created 2013]
 
 


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